accessory apartment

noun, US

Definition of accessory apartment

:a rental unit that is located on the lot of or within a single-family owner-occupied home
  • In 1991, the town moved away from an almost exclusive reliance on single-family homes and passed a law that began a process of legalizing some of Huntington's thousands of illegal accessory apartments.
  • Newsday14 Sept. 2010

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First Known Use of accessory apartment

1973


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